greateasterncontracting.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
greateasterncontracting.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 10:25:59 UTC · ↺ Refresh

MX Hostnames

  • greateasterncontracting-com.mail.protection.outlook.com

MX Priorities

  • greateasterncontracting-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 198.185.159.144 (no PTR)
  • 198.185.159.145 (no PTR)
  • 198.49.23.145
  • 198.49.23.144

Mail Server IPs

  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA chris.ns.cloudflare.com dns.cloudflare.com 2399442756 10000 2400 604800 1800
Primary NS (mname)
chris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399442756
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

chris.ns.cloudflare.com
crystal.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • google-site-verification=uXDPDG6jjvkqra4QuUgCOH5Me2b3I3gE0tEpv0W_iEE
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms86728263
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